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±5V、±12V (±15V)专用微处理器电压监测器

产品详情

主要特征

应用/用途

Parametric specs for Supervisors (> 5 Monitored Voltages)
Reset Thresh. (V) 3.3 to 5.5
>=5.5
Reset Out Active High
Active Low
Open Drain
# Voltages Monitored 5
Interface Factory Fixed
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Overvoltage/Window Monitor
ICC (µA) (max) 250
Package/Pins CDIP/14
PDIP/14
SOIC (N)/14
Budgetary
Price (See Notes)
2.89
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参量

Parametric specs for Supervisors (<u>></u> 5 Monitored Voltages)
Reset Thresh. (V) 3.3 to 5.5
>=5.5
Reset Out Active High
Active Low
Open Drain
# Voltages Monitored 5
Interface Factory Fixed
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Overvoltage/Window Monitor
ICC (µA) (max) 250
Package/Pins CDIP/14
PDIP/14
SOIC (N)/14
Budgetary
Price (See Notes)
2.89

主要特征

  • 4 Dedicated Comparators plus 1 Auxiliary Comparator
  • 5V Dedicated Comparator Has ±1.25% Accuracy
  • -5V, +12V, -12V, +15V, -15V Dedicated Comparators Have ±1.5% Accuracy
  • Overvoltage/Undervoltage Detection or Programmable Delay Using Auxiliary Comparator
  • Internal 1.24V Reference with ±1% Initial Accuracy
  • Wide Supply Range: 2.7V to 11V
  • Built-In Hysteresis
  • 250µA Max Supply Current Over Temp.
  • Independent Open-Drain Outputs
  • All Precision Components Included

应用/用途

  • 数据采集系统
  • 工业控制器
  • 工业设备
  • 微处理器电压监视器:+5V、-5V、+12V、-12V电源监控(MAX8215)与+5V、-5V、+15V、-15V电源监控(MAX8216)
  • 移动无线装置
  • 具有独立比较器的过压/欠压检测
  • 便携式仪表

描述

The MAX8215 contains five voltage comparators; four are for monitoring +5V, -5V, +12V, and -12V, and the fifth monitors any desired voltage. The MAX8216 is identical, except it monitors ±15V supplies instead of ±12V. The resistors required to monitor these voltages and provide comparator hysteresis are included on-chip. All comparators have open-drain outputs. These devices consume 250µA max supply current over temperature.

简化框图

MAX8215、MAX8216:典型工作电路 MAX8215、MAX8216:典型工作电路 Zoom icon

技术文档

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心